Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848
       Order Sacoglossa Ihering, 1876 - sacoglossans
         Suborder Tamanovalvina
           Superfamily Julioidea see Superfamily Oxynooidea Stoliczka, 1868 (1847)
             Family Juliidae Smith, 1885
               Subfamily Bertheliniinae Keen & Smith, 1961
                 Genus Berthelinia Crosse, 1875
                   1 Subgenus Berthelinia Crosse, 1875
                   2 Subgenus Anomalomya Cossmann, 1887
                   3 Subgenus Squamulinia Le Renard, 1989